Liquid-measuring device



wp'H. HAVER. I IQUIDIVIEASURING DEVICE.

APPLICATION FILED FEH- 20I 1920.

Patnted Jan. 25, 1921-.

| l :III

INVENTQR y/Q B ATTRNEY WILLIAM H. HA'VER, OF SAN JOSE, CALIFORNIA.

LIQUI'n-Mnasunme DEVICE.

Specification of Letters Patent.

Patented J an. 25, 1921 Application filed February 20, 1926. Serial No.360,044.

` To all whom` t may concern:

Be it known that I, W'ILLmM I-I. Haven, a citizen of the United States,and resident of San Jose, in the county of Santa Clara and State ofCalifornia, have invented certain new and useful Improvements in LiquidnMeasuring Devices, of which the following is a specification. Y

My invention relates to a measuring device for use particularly indispensing fuel oil for motor vehicles.

It is the object of my invention to provide a device of the characterindicated that can be readily installed for use in connection withordinary type of dispensing devices now in use; that is provided withadjustable measuring members clearly visible to the purchaser butpositioned within the device; that will be positive and accurate andshow clearly to a purchaser the quantity of fuel he is receiving.

In the drawing, the figure is a vertical transverse section through adevice embodyinfr my invention.

Iieferring more particularly to the drawing, 1 is a portion of asuitable standard carrying an air reservoir 2, the latter being inclosedexcept at 3 where a pipe 4 is mounted vertically to communicate therewith. The outer upper surface of chamber 2 is flat as shown at 5 and isprovided with an annular flange 6. Supported on surface 5 and positionedby flange 6 is a glass cylinder 7 having a second air chamber 8positioned thereon, the chamber 8 having a fiat lower surface 9 providedwith an annular flange 10 to engage the upper edge of glass cylinder 7.These three members 2-7 and 8 are securely fastened together by means ofsuitable tie rods 11. Tube t extends upwardly and is secured into thebottom plate of chamber 8 as shown and is threaded throughout its lengthand fitted with several disks as shown at 12. A plurality of openingsare provided in the bottom of chamber 8 as shown at 13 forming opencommunication between the same and cylinder 7.

At 14E is shown a passage formed in chamber 2 and communicating withcylinder 7 and having a two-way cock attached thereto as at 15, liquidentering the same at 16 and passing into cylinder 7 through passage 17.or directly to a waiting tank through conduit 18 as the case may be.

In its practical application accurately measured quantities of liquidare placed in cylinder 7 and the several disks turned upward or downwardupon rod -i to bring them to their several positions where their outeredges coincide with the upper surfaces of the several differentquantities of liquid placed therein. Assuming that the lower disk hasbeen' adjusted to measure one gallon and the second disk two gallons anda purchaser has ordered one gallon of fuel oil for his tank. The valve15 is first turned tp cut off conduit 18 and open to passage 17 and thenthe oil is pumped into cylinder7 until the surface of the liquidcoincides with the outer edge of the lower or first disk. T his pointbeingreached the valve 15 is turned until the inlet 16 is cut off andconduit 18 opened. The chambers 2 and 8 and cylinder 7 being ordinarilyfilled with air at atmospheric pressure, theV pressure therein is raisedby the entrance of the fuel oil, therefore this oil is rapidlydischarged by this air pressure when conduit 18 Vwithout passing intothe said measuring device.

It is understood of course, that while I have herein shown and describedone specific embodiment of my invention I do not wish to confine myselfto the specific emtioned member fixedly mounted therein, an

indicator element adjustably mounted on said member, means for supplyingliquid to said chamber, and means foi' discharging 5 liquid from seidchamber.

2. In a liquidmeasuiing device, @transfV vparent liquid chamber, avertically positioned cylindrical member secured therein and externallythreaded throughout its length, a plurality of thi'ededindicators 10mounted on said cylindrical member, and LV Valve controlled inlet andoutlet passa-ge communicatingwith said liquid chamber.

WILLIAM H. HAVER.

